Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1992-12-24
1994-03-01
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
D 8312
Patent
active
D03446794
REFERENCES:
patent: D199600 (1964-11-01), Morrison et al.
patent: D202590 (1965-10-01), Schick et al.
patent: D223797 (1972-06-01), Jensen et al.
patent: 2612051 (1952-09-01), Felt
Lindsley Dale A.
Odom James A.
Davis Antoine D.
Holtje Nelson C.
Honeywell Inc.
Schwarz Edward L.
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